How to Unlock Muscle Challenges

**Natalee** Fri Jan 30, 2009 3:20 pm

Muscle Workout Challenges

Description: New challenges are unlocked by getting four stars for a workout.

Jackknife challenge - Get four stars in the 10 seconds workout and the 20 seconds workout.

Parrallel stretch challenge - Get four stars in the 30 seconds workout and the 60 seconds workout.

Pressup challenge - Get four stars in the six and ten reps mode.